Tools & Wizards About Us
proshkolu.ru screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 38

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

proshkolu.ru

Про Школу ру - бесплатный школьный портал

Page Load Speed

9.8 sec in total

First Response

836 ms

Resources Loaded

7 sec

Page Rendered

2 sec

proshkolu.ru screenshot

About Website

Visit proshkolu.ru now to see the best up-to-date Proshkolu content for Russia and also check out these interesting facts you probably never knew about proshkolu.ru

Все школы России на бесплатном школьном портале - карты, фото и видео школ

Visit proshkolu.ru

Key Findings

We analyzed Proshkolu.ru page load time and found that the first response time was 836 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

proshkolu.ru performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value2,340 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

www.proshkolu.ru

836 ms

style.css

133 ms

visibility.js

437 ms

swfobject.js

264 ms

empty.gif

512 ms

Our browser made a total of 177 requests to load all elements on the main page. We found that 12% of them (21 requests) were addressed to the original Proshkolu.ru, 28% (50 requests) were made to Data12.proshkolu.ru and 22% (39 requests) were made to Img3.proshkolu.ru. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 350.6 kB (40%)

Content Size

885.4 kB

After Optimization

534.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Proshkolu.ru main page is 885.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 456.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 217.4 kB

  • Original 255.0 kB
  • After minification 251.5 kB
  • After compression 37.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 217.4 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 39.2 kB

  • Original 456.1 kB
  • After minification 416.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Proshkolu images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 81.3 kB

  • Original 159.5 kB
  • After minification 158.4 kB
  • After compression 78.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 81.3 kB or 51% of the original size.

CSS Optimization

-86%

Potential reduce by 12.7 kB

  • Original 14.8 kB
  • After minification 12.1 kB
  • After compression 2.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Proshkolu.ru needs all CSS files to be minified and compressed as it can save up to 12.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (22%)

Requests Now

172

After Optimization

134

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 172 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Proshkolu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.proshkolu.ru

www.proshkolu.ru

836 ms

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Accessibility Review

proshkolu.ru accessibility score

38

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

proshkolu.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

proshkolu.ru SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Proshkolu.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Proshkolu.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

proshkolu.ru

Open Graph description is not detected on the main page of Proshkolu. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: